Finding the Fourth Proportional to 13,031.03, 17,981.91 and 7,366.05

Step by Step Solution

1. Step 1: Write the proportion equation
   13,031.03 : 17,981.91 = 7,366.05 : x
2. Step 2: Convert to fraction form
   13,031.03/17,981.91 = 7,366.05/x
3. Step 3: Cross multiply
   13,031.03x = 17,981.91 × 7,366.05
4. Step 4: Simplify right side
   13,031.03x = 132,455,648.16
5. Step 5: Solve for x
   x = 132,455,648.16/13,031.03
6. Step 6: Final answer
   x = 10,164.64